The supernatural thriller Puffball (2007) stars Kelly Reilly as a young architect who comes to remodel an old cottage in rural Ireland. She comes up against dark forces when she becomes pregnant and a nearby family of witchy women who have long wanted a son believe that one of the fertility spells they have been casting has inadvertently impregnated the wrong woman. As she battles black Irish magic, Kelly has an energetic roll in the hay with a local bumpkin, revealing her perfect puffballs...